{"id":2263,"date":"2024-10-17T16:29:40","date_gmt":"2024-10-17T16:29:40","guid":{"rendered":"http:\/\/localhost:10003\/?p=2263"},"modified":"2025-08-04T13:55:31","modified_gmt":"2025-08-04T13:55:31","slug":"manipulation-de-cellules-dans-des-classeurs-pour-net","status":"publish","type":"post","link":"https:\/\/xceed.com\/fr\/blog\/tutorials\/handling-cells-in-workbooks-for-net\/","title":{"rendered":"Gestion des cellules dans les classeurs pour .NET"},"content":{"rendered":"<p>En savoir plus sur&nbsp;<a href=\"http:\/\/xceed.com\/en\/our-products\/product\/workbooks-for-net\" target=\"_blank\" rel=\"noreferrer noopener\">Xeed Workbooks pour .NET<\/a><\/p>\n\n\n\n<p>Dans l'article pr\u00e9c\u00e9dent, nous avons appris les bases de la cr\u00e9ation d'un document xlsx \u00e0 l'aide de la fonction&nbsp;<em>Cr\u00e9er<\/em>,&nbsp;<em>Chargement<\/em>,&nbsp;<em>\u00c9conomisez<\/em>&nbsp;et&nbsp;<em>Sauvegarde<\/em>&nbsp;ainsi que la fa\u00e7on d'ajouter et d'extraire des donn\u00e9es sur les&nbsp;<em>Feuilles de travail<\/em>.<\/p>\n\n\n\n<p>Cette fois-ci, nous allons apprendre les bases de l'ajout et de la modification du contenu d'un fichier&nbsp;<em>Feuille de travail<\/em>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu'est-ce qu'une feuille de travail ?<\/h2>\n\n\n\n<p>En d'autres termes, un&nbsp;<em>Feuille de travail<\/em>&nbsp;est une collection de cellules. A&nbsp;<em>Cellule<\/em>&nbsp;repr\u00e9sente un rectangle dans une feuille de calcul ; chaque cellule est l'intersection d'un rectangle et d'un rectangle.&nbsp;<em>Rang\u00e9e<\/em>&nbsp;et un&nbsp;<em>Colonne<\/em>.<\/p>\n\n\n\n<p><code data-no-translation=\"\">Note:<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code data-no-translation=\"\">A Worksheet can have a maximum of 16,384 columns and 1,048,576 rows.<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Acc\u00e8s aux cellules d'une feuille de calcul<\/h2>\n\n\n\n<p>Pour modifier le contenu d'une feuille de calcul, il faut pouvoir acc\u00e9der aux cellules \u00e0 modifier.<\/p>\n\n\n\n<p>Il y a trois (3) fa\u00e7ons d'acc\u00e9der \u00e0 une cellule donn\u00e9e :<\/p>\n\n\n\n<p>1. Par l'interm\u00e9diaire du&nbsp;<em>Cellules<\/em>&nbsp;Collection :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code data-no-translation=\"\">By using an address. This is a combination of a letter (for the column) and a number (for the row). The first column starts at \"A\" and the first row starts at \"1\", meaning the top left cell is located at the \"A1\" address.<\/code><\/li>\n\n\n\n<li><code data-no-translation=\"\">By using coordinates. This is done by specifying the Row Id first and then the Column Id. In both cases the indexes start at 0, meaning the top left cell is located at the 0,0 coordinates.<\/code><\/li>\n<\/ol>\n\n\n\n<p>2. Par l'interm\u00e9diaire du&nbsp;<em>Cellules<\/em>&nbsp;d'une colonne donn\u00e9e dans le&nbsp;<em>Colonnes<\/em>&nbsp;Collection :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code data-no-translation=\"\">By using the Row Id index. The index starts at 0, so the top-most cell in a column is located at index 0.<\/code><\/li>\n<\/ol>\n\n\n\n<p>3. Par l'interm\u00e9diaire du&nbsp;<em>Cellules<\/em>&nbsp;d'une ligne donn\u00e9e dans le&nbsp;<em>Rangs<\/em>&nbsp;Collection :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code data-no-translation=\"\">By using the Column Id index. The index starts at 0, so the left-most cell in a row is located at index 0.<\/code><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">\/\/ Accessing specific cells\n\tusing( var document = Workbook.Load( \"testDoc.xlsx\" ));\n\t{\n\t\tvar worksheet = document.Worksheets&#91; 0 ];\n\t\t\n\t\t\/\/ accessing cell A1 through the Cells collection\n\t\tvar cellA1_FromAddress = worksheet.Cells&#91; \"A1\" ];\n\t\tvar cellA1_FromCoordinates = worksheet.Cells&#91; 0, 0 ];\n\t\t\n\t\t\/\/ accessing cell B2 through the Columns collection\n\t\tvar cellB2 = worksheet.Columns&#91; 1 ].Cells&#91; 1 ];\n\t\t\n\t\t\/\/ accessing cell C3 through the Rows collection\n\t\tvar cellC3 = worksheet.Rows&#91; 2 ].Cells&#91; 2 ];\n\t}\n<\/code><\/pre>\n\n\n\n<p><code data-no-translation=\"\">Notes:<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code data-no-translation=\"\">The top left cell does not start at 1,1 like in Excel because for a developer, it is more intuitive to start the index at 0, and as such the top left cell is at coordinates 0,0<\/code><\/li>\n\n\n\n<li><code data-no-translation=\"\">If performance is important, an access by coordinates is faster than an access by address.<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Modification des cellules<\/h2>\n\n\n\n<p>Le contenu d'une cellule peut \u00eatre d\u00e9fini \u00e0 l'aide de la touche&nbsp;<em>Valeur<\/em>&nbsp;ou&nbsp;<em>Formule<\/em>&nbsp;propri\u00e9t\u00e9s.<\/p>\n\n\n\n<p>A&nbsp;<em>Valeur<\/em>&nbsp;est statique, tandis qu'un&nbsp;<em>Formule<\/em>&nbsp;peuvent \u00eatre dynamiques, ce qui signifie que la valeur affich\u00e9e peut changer en fonction des \u00e9l\u00e9ments de la formule (par exemple, si la formule est la somme d'un groupe de cellules, la valeur affich\u00e9e changera si l'une des valeurs de ces autres cellules est modifi\u00e9e).<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">\/\/ Modifying the content of Cells\n\tusing( var document = Workbook.Load( \"testDoc.xlsx\" ));\n\t{\n\t\tvar worksheet = document.Worksheets&#91; 0 ];\n\t\t\n\t\t\/\/ modifying cell A1 through the Cells collection\n\t\tworksheet.Cells&#91; \"A1\" ].Value = new DateTime( 2021, 7, 1, 10, 22, 33);\n\t\t\n\t\t\/\/ modifying cell B2 through the Columns collection\n\t\tworksheet.Columns&#91; 1 ].Cells&#91; 1 ].Value = 100;\n\t\t\n\t\t\/\/ modifying cell C3 through the Rows collection\n\t\tworksheet.Rows&#91; 2 ].Cells&#91; 2 ].Formula \"=SUM(A2:A5)\";\n\t\t\n\t\t\/\/ save the modifications\n\t\tdocument.Save();\n\t}\n<\/code><\/pre>\n\n\n\n<p>Si&nbsp;<em>Cell.Formula<\/em>&nbsp;est activ\u00e9e, l'option&nbsp;<em>Cell.Value<\/em>&nbsp;seront remplis \u00e0 deux (2) moments seulement :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code data-no-translation=\"\">when MS Excel will be used to opened the saved document.<\/code><\/li>\n\n\n\n<li><code data-no-translation=\"\">if the user calls the Worksheet.CalculateFormulas() method to calculate the formulas of a Worksheet, or Workbook.CalculateFormulas() to calculate the formulas of all the Worksheets within a Workbook.<\/code><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Modification des colonnes<\/h2>\n\n\n\n<p>Nous pouvons \u00e9galement acc\u00e9der au&nbsp;<em>Colonnes<\/em>&nbsp;pour modifier une colonne sp\u00e9cifique. Au moment de la r\u00e9daction de ce document, les propri\u00e9t\u00e9s pouvant \u00eatre modifi\u00e9es sur une colonne sont les suivantes&nbsp;<em>BestFit<\/em>&nbsp;et&nbsp;<em>Largeur<\/em>.<\/p>\n\n\n\n<p>Pour sp\u00e9cifier la colonne \u00e0 modifier, nous indiquons l'index (0 = colonne A).<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">\/\/ Modifying Columns\n\tusing( var document = Workbook.Load( \"testDoc.xlsx\" ));\n\t{\n\t\tvar worksheet = document.Worksheets&#91; 0 ];\n\t\t\n\t\t\/\/ modifying column A\n\t\tworksheet.Columns&#91; 0 ].BestFit = true;\n\t\tworksheet.Columns&#91; 0 ].Width = 65d;\n\t\t\n\t\t\/\/ modifying column B\n\t\tworksheet.Columns&#91; 1 ].BestFit = false;\n\t\tworksheet.Columns&#91; 1 ].Width = 85d;\n\t\t\n\t\t\/\/ save the modifications\n\t\tdocument.Save();\n\t}\n<\/code><\/pre>\n\n\n\n<p><code data-no-translation=\"\">Note:<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code data-no-translation=\"\">The AutoFit() method on Column can be used to adjust the width of the column to the longest content. There are four (4) optional parameters: minimumWidth and maximumWidth (amount of characters under the default font), as well as startRowId and endRowId (to indicate the range of cells whose content will be evaluated to affect the AutoFit).<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Modification des lignes<\/h2>\n\n\n\n<p>Nous pouvons \u00e9galement acc\u00e9der au&nbsp;<em>Rangs<\/em>&nbsp;pour modifier une ligne sp\u00e9cifique. Au moment de la r\u00e9daction de ce document, la seule propri\u00e9t\u00e9 pouvant \u00eatre modifi\u00e9e sur une rang\u00e9e est la suivante&nbsp;<em>Hauteur<\/em>.<\/p>\n\n\n\n<p>Pour sp\u00e9cifier la rang\u00e9e \u00e0 modifier, nous indiquons l'index (0 = rang\u00e9e 1).<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">\/\/ Modifying Rows\n\tusing( var document = Workbook.Load( \"testDoc.xlsx\" ));\n\t{\n\t\tvar worksheet = document.Worksheets&#91; 0 ];\n\t\t\n\t\t\/\/ modifying row 1\n\t\tworksheet.Rows&#91; 0 ].Height = 85d;\n\t\t\n\t\t\/\/ modifying row 2\n\t\tworksheet.Rows&#91; 1 ].Height = 65d;\n\t\t\n\t\t\/\/ save the modifications\n\t\tdocument.Save();\n\t}\n<\/code><\/pre>\n\n\n\n<p><code data-no-translation=\"\">Note:<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code data-no-translation=\"\">An AutoFit() method on Row will be available in the next release of the product, and will function in a similar way to the AutoFit() method on Column.<\/code><\/li>\n<\/ul>\n\n\n\n<p>Pour plus d'informations, veuillez vous r\u00e9f\u00e9rer \u00e0 la&nbsp;<a href=\"https:\/\/doc.xceed.com\/xceed-workbooks-for-net\/webframe.html#topic1.html\" target=\"_blank\" rel=\"noreferrer noopener\">la documentation<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dans l'article pr\u00e9c\u00e9dent, nous avons appris les bases de la cr\u00e9ation d'un document xlsx \u00e0 l'aide des m\u00e9thodes Create, Load, Save et SaveAs, ainsi que la mani\u00e8re d'ajouter et de r\u00e9cup\u00e9rer des feuilles de calcul.<\/p>","protected":false},"author":2,"featured_media":2235,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[141,60],"tags":[],"class_list":["post-2263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all","category-tutorials"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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